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Optical eyepiece using single-sided patterning of grating couplers
Optical eyepiece using single-sided patterning of grating couplers
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机译:光学目镜使用光栅耦合器的单面图案化
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摘要
An eyepiece includes a substrate and an in-coupling grating patterned on a single side of the substrate. A first grating coupler is patterned on the single side of the substrate and has a first grating pattern. The first grating coupler is optically coupled to the in-coupling grating. A second grating coupler is patterned on the single side of the substrate adjacent to the first grating coupler. The second grating coupler has a second grating pattern different from the first grating pattern. The second grating coupler is optically coupled to the in-coupling grating.
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